KR100646382B1 - Fixing cover of notch wire for an oil filter - Google Patents

Abstract

The present invention relates to a notch wire fixing cover for an oil filter, and more particularly, a notch wire to an upper cover of the filter element so as to securely fix the notch wire continuously tightly wound along the outer circumferential surface of the filter element together with the filter element. By forming an insertion groove of the notch wire and inserting and installing a fixing plate for tightly fixing the notch wires between the filter element and the lower cover, the notch wires are in operation even when the notch wires are wound around the filter elements or after the oil filter is completed. It is possible to prevent the phenomenon of unwinding, thereby improving the efficiency of winding the notch wire, thereby reducing the time and cost of manufacturing the oil filter, and at the same time, the filtering performance of the manufactured oil filter and the oil filter product. Oils to ensure safe use It relates to a conical notch wire fixing cover.

The notch wire fixing cover for oil filter according to the present invention has a cylindrical filter element (11) in which the notch wire (2) is wound tightly along the outer circumferential surface of the oil discharge hole over the entire surface of the body. 13 is formed, and the upper cover 14 and the lower cover 15 is fixed to the upper and lower sides of the filter element 11, the inlet of the filtration oil in the center of the lower cover 15 ( 12, the upper and lower covers 14 and 15 of the filter element 11 have a circular insertion protrusion 20 having a central portion of the body inserted into the filter element 11. 20 '), and the outer sides of the insertion protrusions 20 and 20' form bottom ground surfaces 21 and 21 'in close contact with upper and lower surfaces of the filter element 11, and the upper portion A wire insertion groove 23 into which the notch wire 2 is inserted is formed between the bottom ground surface 21 of the cover 14 and the outer peripheral portion 22 thereof. Between the lower side of the filter element 11 and the bottom support surface 21 ′ of the lower cover 15, a fixing plate 16 having a hollow disc shape having an outer circumference thereof bent toward the notch wire 2 is inserted and installed. It is characterized by.

Oil Filter, Notch Wire, Fixed Cover

Description

Fixing cover of notch wire for an oil filter}

1 is a plan view of a gauze wire used in a general oil filter.

Figure 2 (a) and (b) is a perspective view and a plan view showing a state in which the notch wire to be applied to the present invention to form a filter net.

Figure 3 is a side cross-sectional view showing the installation state of the notch wire fixing cover for oil filter according to the present invention.

Figure 4 is a perspective view showing the structure of the upper cover of the fixed cover according to the present invention.

Figure 5 is a side cross-sectional view of the top cover shown in FIG.

Figure 6 is an enlarged side cross-sectional view showing a mounting state of the lower cover of the fixed cover according to the present invention.

<Explanation of symbols for main parts of drawing>

DESCRIPTION OF SYMBOLS 1 Gauze wire 2 Notch wire 2a Notch part

2b: filter ball 10: oil filter 11: filter element

12 inlet hole 13 outlet hole 14 top cover

15: lower cover 16: fixed plate 17: socket bolt

18: fastening bolt 19: support groove 20,20 ': insertion protrusion

21,21 ': Floor ground 22: Outer periphery 23: Wire insertion groove

24: fastener

The present invention relates to a notch wire fixing cover for oil filter, and more particularly, to prevent the notch wire from being released from the filter element during the operation of winding the notch wire to the filter element or even after the production of the oil filter is completed. This improves the efficiency of winding the notch wire, thereby reducing the time and cost of manufacturing the oil filter, and ensuring the filtration performance of the manufactured oil filter and the safe use of oil filter products. A notch wire fixing cover for an oil filter is provided.

Generally, a lubrication device or oil cooler is installed in the ship's engine or various large mechanical equipment to supply oil to the moving part where mechanical friction occurs and to reduce the frictional force or to cool the heat generated during friction. In addition, since various foreign substances including metal particles generated at the frictional part are easily mixed into the lubricating oil or cooling oil used in the lubrication device or the oil cooler, it is supplied to the oil filter to remove the foreign substances and then supplied to the required moving parts. Done.

The oil filter is classified into various types according to the purpose of use and the equipment to be applied. However, the oil filter is widely used in large mechanical equipment such as engines of ships, and is a cylinder having a passage for inflow and outflow of lubricant or cooling oil. It consists of a filter element of the shape and a filter net surrounding the body of the filter element, by inserting a plurality of such oil filters into the interior of the housing through the filter element of the filter element and the lubricant contained in the oil in the process of passing the coolant or cooling oil Various foreign substances are to be filtered by the filter net.

As a material applied to the filter network of the oil filter as described above, a filter plate in which a myriad of fine filter holes are formed on a thin metal plate, or a steel wire having a thinner diameter as shown in FIG. Gauze wires (1) are known, which are arranged in a crosswise manner, and the filter plates or gauze wires (1) are wound around the outer circumferential surface of the cylindrical filter element to be used as an oil filter.

However, the conventional filter plate as a material applied to the filter network of the oil filter, when the filter plate is slightly thickened in consideration of its pressure resistance, corrosion resistance and mechanical strength, work to form a myriad of fine filter holes over the entire surface of the filter plate Not only this is very difficult, but also the bending of the filter plate along the body of the filter element is also very difficult, there is a problem that the manufacture of the filter plate and the oil filter using the filter plate is quite difficult.

On the contrary, when the thickness of the filter plate is made very thin for easy molding of the fine filter hole and easy manufacture of the oil filter using the filter plate, the pressure resistance and mechanical strength of the filter plate itself are lowered, so that the filter plate is attached to the filter element. In the process of making or using the oil filter, there is a problem in that the plate part between each filter hole is easily cracked or torn, and its filtration performance is lowered.

In addition, the conventional gauze wire (1) as a material applied to the filter network of the oil filter can adjust the size of the filter hole relatively easily by adjusting the steel wire, that is, the interval at which the wire crosses, the filter element It can be easily wound and used along the body of the oil filter has the advantage that can be easily performed, but because the mechanical strength of the wire itself is weak, pressure resistance and corrosion resistance is lowered, difficult to apply to high-temperature high-pressure filter In the process of manufacturing the oil filter by winding the gauze wire (1) around the filter element, installing the oil filter, and using the oil filter, the steel wire part forming the gauze wire (1) is easily broken, and thus the filtration performance of the oil filter is reduced. There was a problem of this deterioration.

As described above to solve the problems caused by applying the filter plate or gauze wire (1) to the filter net, as shown in (a) and (b) of Figure 2 formed of stainless steel (Stainless steel) material The notch wires 2, in which the notches 2a are projected on one side of the strip-shaped body by pressing the molten steel wire by a forming roller, are tightly wound in a constant direction along the outer circumferential surface of the filter element. It is known.

That is, when the notch wire 2 is densely wound along the outer circumferential surface of the body of the filter element, a large number of fine filter holes 2b are formed by the body of the notch wire 2 and the notch portion 2a. The filter wire can be applied to an oil filter by using a single filter net, and the notch wire 2 is cold worked by a forming roller, and the hardening and surface hardening according to the deformation are performed. The corrosion resistance and mechanical strength are very excellent compared to the steel wire which is a raw material, and the thickness is formed thick in the direction in which various oils pass through the filter hole 2b, that is, in the direction of hydraulic pressure. Since the pressure resistance is also very excellent, it is an optimal material that can be applied to the filter for high temperature and high pressure.

However, in the case where the notch wire 2 is to be wound tightly along the body of the filter element, the applicant has filed an application in the state in which one end of the notch wire 2 is fitted and fixedly fitted to the upper end of the body of the filter element. No. 10-2005-39972, filed May 13, 2005) Using a winding device, such as a notch wire winding machine for oil filters, winds up the notch wire 2 continuously along the body of the filter element, The other end of the notch wire 2 should be connected to the bottom of the body of the filter element by fitting to fix the notch wire 2, so that the notch wire 2 is easily released during the winding operation of the notch wire 2.

In other words, the end side of the notch wire 2 fixedly connected to the filter element during the winding operation of the notch wire 2 is easily detached from the filter element, so that the notch wire 2 wound around the filter element by a predetermined width. Has caused a problem to be released from the filter element, which is a factor that greatly reduces the work efficiency and productivity according to the manufacture of the oil filter using the notch wire (2).

In addition, since the notch wire 2 having a very small diameter is fixedly fitted on the body of the filter element, the notch wire 2 is firmly wound along the outer circumference of the filter element, and then Even after the oil filter is manufactured by combining the fixing cover for closely contacting the notch wires 2 at both ends, the connection state between the notch wires 2 and the filter element is easily caused by the impact or hydraulic pressure during the use of the oil filter. There was a risk of release, which caused undesirable problems in terms of the filtration performance of the oil filter and the safe use of the oil filter.

The present invention has been made to solve the conventional problems as described above, the notch wire fixing cover for the oil filter according to the present invention is notched wire even during the operation of winding the notch wire to the filter element or after the production of the oil filter is completed It is possible to prevent the phenomena coming out of the filter element, thereby improving the efficiency of winding the notch wire and reducing the time and cost of manufacturing the oil filter. The technical challenge is to ensure the safe use of oil filter products.

According to the present invention for achieving the above technical problem, a cylindrical filter element in which the notch wire is closely wound along the outer circumferential surface of the oil discharge hole is formed over the entire surface of the body, An upper cover and a lower cover are fixedly installed on upper and lower sides, and an inlet hole for filtration oil is formed in the center of the lower cover. The upper and lower covers of the filter element have a central portion of the body of the filter element. It is formed of a circular insertion protrusion is inserted into the, the outer side of the insertion protrusion forming a bottom ground contact with the upper and lower sides of the filter element, the notch wire between the bottom ground and the outer peripheral portion of the upper cover Is inserted into the wire insertion groove, the outer peripheral portion between the bottom surface of the filter element and the bottom ground surface of the lower cover; Toward the notched wire it is characterized in that a hollow disc shape of the fixed plate is bent to be inserted into the installation.

Hereinafter, described in detail with reference to the accompanying drawings, the present invention for achieving the above object is as follows.

Figure 3 is a side cross-sectional view showing the installation state of the oil filter notch wire fixing cover according to the present invention, Figure 4 is a perspective view showing the structure of the upper cover of the fixing cover according to the present invention, Figure 5 is shown in Figure 4 Side cross-sectional view of the upper cover, Figure 6 is a partially enlarged side cross-sectional view showing the installation state of the lower cover of the fixing cover according to the present invention.

First, the overall configuration of the oil filter using the notch wire 2 is, as shown in Figure 3, in the filter element 11 having a cylindrical shape in the form of a long hole (Oil) over the entire surface of the body The discharge hole 13 is formed, the lower cover 15 through the upper cover 14 and the fixing plate 16 on the upper and lower sides of the filter element 11 to the socket bolt 17 and the fastening bolt 18. It is installed integrally with the filter element 11 by.

In addition, the inlet hole 12 of the filtration oil is formed through the body central portion of the lower cover 15, and the fine filter by the notch portion 2a is formed on the outer peripheral surface of the body of the filter element 11 as described above. The notch wires 2 are continuously tightly wound so that the balls 2b are formed, so that oil introduced into the filter element 11 through the inlet hole 12 of the lower cover 15 is discharge hole 13. And it is made to be filtered in the process of passing through the notch wire (2).

In Figure 1 is shown that the discharge hole 13 in the form of a long hole on the body of the filter element 11, but the discharge hole 13 itself does not perform a function of direct filtration other such as round or oval It may be formed of various types of passages, and means for fixing the upper cover 14 and the lower cover 15 to the filter element 11 may also be other types than the bolts 17 and 18. The oil inlet 12 may be formed in the upper cover 14 instead of the lower cover 15.

In addition, the structure of the upper cover 14 constituting the main portion of the present invention, as shown in Figures 4 and 5 more clearly, of the circular shape is inserted into the interior of the filter element 11 in the central portion of one side of the disk-shaped body An insertion protrusion 20 is formed, and an outer side thereof forms a bottom ground surface 21 in close contact with the top surface of the filter element 11, and fastens the socket bolt 17 along the bottom ground surface 21. Fastening hole 24 is formed through.

The insertion protrusion 20 is inserted into the filter element 11 when the upper cover 14 is fastened and fixed to the filter element 11 so that the upper cover 14 is firmly supported so that the upper cover 14 is supported. In order to perform the fixing operation of the more convenient and efficient at the same time, to increase the contact area between the upper cover 14 and the filter element 11 to prevent the leakage of oil through the site, The support groove 19 formed in the rear protrusion inside serves as a center point and a rotation support point when the filter element 11 is rotated for the winding operation of the notch wire 2.

In addition, a wire insertion groove for inserting the notch wire 2 between a portion corresponding to the edge of the bottom ground surface 21, that is, the bottom ground surface 21 and the outer peripheral portion 22 of the upper cover 14. 23 is formed to be cut inwardly, and the depth of the wire insertion groove 23 including the outer circumferential portion 22 is about 5 to 10 times the thickness of the notch wire 2, thereby forming the outer circumferential portion 22. It is desirable to allow the notch wire 2 to be wound about 5 to 10 times through the inner side of the notch wire 2 in terms of firm fixing of the notch wire 2 and securing a sufficient filtration surface.

And, the lower cover 15 corresponding to another main part of the present invention, as shown in Figure 6 more clearly, the circular insertion protrusion (inserted into the interior of the filter element 11 on one side of the disk-shaped body ( 20 ') (which performs the same function as the insertion protrusion of the upper cover) is formed together with the inlet hole 12, and the outer side thereof forms the bottom ground surface 21' in close contact with the top surface of the filter element 11, A fastening hole (not shown) for fastening the fastening bolt 18 is formed through the bottom ground surface 21 ′.

In addition, an outer periphery of the filter element 11 is formed between the bottom surface and the bottom support surface 21 ′ of the lower cover 15 toward the notch wire 2, and the filter is fastened by a fastening bolt 18. The fixing plate 16 of the notch wire 2 in the form of a hollow disc, which is firmly fixed between the element 11 and the bottom ground surface 21 ′, is inserted and installed, and the fixing plate 16 is connected to the lower cover 15. It may be formed integrally with the lower cover 15 in a flange shape protruding along the outer periphery of the lower cover 15 without forming a separate component.

Hereinafter, the working relationship of the present invention having the above configuration will be described in detail with reference to FIG. 3.

First, the applicant applied for the filter element 11 in the state in which the upper cover 14 is fastened and fixed to the upper surface of the filter element 11 (application number: 10-2005-39972, filed date: 2005) May 13) is installed in a winding device such as a notch wire winding machine for oil filter, while the filter element 11 allows horizontal rotation around the support groove 19 of the upper cover 14, From the molding machine of the wire 2, the notch wire 2 is molded to be bent at a constant curvature.

In the above state, the filter element 11 is rotated at a low speed, and the notch wire 2 continuously formed from the molding machine has an outer periphery 22 of the upper cover 14 and an inner side of the wire insertion groove 23. If it is wound about 5 to 10 times through the through, the outer periphery 22 of the upper cover 14 and the notch wire (2) in the inside of the wire insertion groove 23 is supported in a tightly wound state do.

After the initial winding of the notch wire 2 is completed as described above, the notch wire 2 formed from the molding machine is increased by increasing the rotational speed of the filter element 11 and the forming speed of the notch wire 2. When the wires are wound closely together at a relatively high speed along the outer circumferential surface of (11), the notch wires (2) serving as a filter network along the length direction are wound over the entire outer circumferential surface of the filter element (11). .

When the work to wind the notch wire 2 along the outer circumferential surface of the filter element 11 as described above is completed, in the state that the end side of the notch wire 2 is fixed to the lower end of the filter element 11 firstly After fastening and installing the fixing plate 16 together with the lower cover 15 on the bottom surface of the filter element 11, various devices used for bending the original plate, such as bending rollers or seaming rollers, When the outer periphery of the fixing plate 16 is bent and closely adhered to the notch wire 2 side, the manufacturing of the oil filter 10 using the notch wire 2 is completed.

And, what is described above is to install the fixing plate 16 with the lower cover 15 after the winding operation of the notch wire 2 is completed, the fixing plate 16 before the winding operation of the notch wire 2 After fixing the filter element 11 together with the lower cover 15, the winding work of the notch wire 2 is completed, and at the same time, the outer periphery of the fixing plate 16 is bent to fix the notch wire 2. You may.

When the oil filter 10 is manufactured using the notch wire 2 as described above, the notch wire 2 is about 5 inside the outer periphery 22 of the upper cover 14 and the wire insertion groove 23. Since it is firmly supported in a state of being wound about 10 to 10 times, the phenomenon that the notch wire 2 is not released during the work of winding the notch wire 2 along the outer circumferential surface of the filter element 11 is prevented. Due to this, it is possible to greatly improve the work efficiency and productivity according to the manufacture of the oil filter 10 using the notch wire 2.

In addition, the upper side of the notch wire 2 which is continuously wound along the outer circumferential surface of the filter element 11 is inserted into and supported by the outer circumferential portion 22 of the upper cover 14 and the wire insertion groove 23. The lower side is closely supported by the bent portion of the fixing plate 16, so that the notch wire 2 is not easily released from the filter element 11 even when the impact or hydraulic pressure is applied significantly during the use of the oil filter 10. Therefore, it is possible to ensure the filtration performance of the oil filter 10 and the safe use of the oil filter 10.

The notch wire fixing cover for oil filter according to the present invention as described above, the notch wire that is continuously tightly wound along the outer peripheral surface of the filter element together with the filter element, the notch wire is inserted into the upper cover of the filter element By forming a groove and inserting a fixing plate for tightly fixing the notch wires between the filter element and the lower cover, the notch wires filter the element even when the notch wires are wound around the filter element or after the oil filter is completed. It is effective to prevent phenomena released from the oil, thereby improving the efficiency of winding the notch wire, thereby reducing the time and cost of manufacturing the oil filter and improving the productivity. Filter Performance and Oil Filter Safety It is effective to guarantee the use.

Claims (1)

In the cylindrical filter element 11 in which the notch wire 2 is tightly wound along the outer circumferential surface, an outlet hole 13 of oil is formed over the entire surface of the body, and the filter element 11 is formed. In the upper and lower sides of the upper cover 14 and the lower cover 15 is fixedly installed, in the center of the lower cover 15 is formed through the inlet hole 12 of the filtration oil, The upper and lower covers 14 and 15 of the filter element 11 are formed of circular insertion protrusions 20 and 20 ′ in which a central side of the body is inserted into the filter element 11. The outer side of the insertion protrusions 20 and 20 'forms bottom ground surfaces 21 and 21' in close contact with the upper and lower sides of the filter element 11, A wire insertion groove 23 into which the notch wire 2 is inserted is formed between the bottom support surface 21 of the upper cover 14 and the outer peripheral portion 22 thereof, and the lower side of the filter element 11. And a notch for oil filter, characterized in that a hollow disc-shaped fixing plate 16 is inserted between the bottom support surface 21 'of the lower cover 15 and the outer peripheral portion thereof is bent toward the notch wire 2. Wire fixing cover.

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